Authored and delivered courses and tutorials on
topics
such as TCP/IP, IPv6, IP network security, PKI, MobileIP, DNS at
conferences, such as Interop, Inet, IPv6Forum, on hire for
organisations or for training companies. Authored the first two
versions of the Cisco IPv6 course.

Many articles and
publications and books, such as "TCP/IP
Simplifié" and "Migrating to IPv6", or were technical editors of
books such as "IP addressing and subnetting including IPv6" and
"Managing Cisco IP security".

Highly skilled and expert team in IP network
engineering.

2002-2005:

Spin-off IPv6 Migration R&D work from
Viagénie to Hexago.
Viagénie team members moved to Hexago.